Finding the Fourth Proportional to 1,887.71, 2,833.37 and 1,158.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.71 : 2,833.37 = 1,158.71 : x
2. Step 2: Convert to fraction form
   1,887.71/2,833.37 = 1,158.71/x
3. Step 3: Cross multiply
   1,887.71x = 2,833.37 × 1,158.71
4. Step 4: Simplify right side
   1,887.71x = 3,283,054.15
5. Step 5: Solve for x
   x = 3,283,054.15/1,887.71
6. Step 6: Final answer
   x = 1,739.17